Ab maj7(#5)

The Ab maj7(#5) chord consists of the Ab (Perfect unison), C (Major third), E (Minor sixth) and G (Major seventh) notes.

Piano keyboard showing the notes for a Ab maj7(#5) chord

How to play the Ab maj7(#5) chord

  1. Find Ab (Root) on the piano keyboard
  2. Add C (Major third) — 4 semitones above Ab
  3. Add E (Minor sixth) — 8 semitones above Ab
  4. Add G (Major seventh) — 11 semitones above Ab
  5. Press all 4 notes simultaneously to sound the Ab maj7(#5) chord

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